Italy, Sicily, Syracuse, Ortygia, Statue of Saint Paul outside Syracuse Cathedral, Piazza Duomo.

Italy, Sicily, Syracuse, Ortygia, Statue of Saint Peter outside Syracuse Cathedral, Piazza Duomo.

Italy, Sicily, Ortygia, Stained glass window of Saint Peter, Syracuse Cathedral, Piazza Duomo.

Greece, Attica, Athens, Church of the Holy Apostles, also known as Holy Apostles of Solaki, Ancient Agora of Athens.

Romania, Constanta, Mosaic of Christ on exterior of Saint Peter and Saint Paul the Apostles Cathedral.

Romania, Constanta, Mosaic of Saint Andrew on exterior of Saint Peter and Saint Paul the Apostles Cathedral.

Romania, Constanta, Round window on front of Saint Peter and Saint Paul the Apostles Cathedral.

Uzbekistan, Tashkent, Religious mosaic on front of Saint Uspensky Sobor Russian Orthodox Assumption Cathedral.

USA, Washington DC, Cathedral of St Matthew the Apostle, Mosaics above the main altar and dome interior.

USA, Washington DC, National Mall, Cathedral of St Matthew the Apostle, Memorial to JFK's lying in state here.

Italy, Sicily, Palermo, Palazzo dei Normanni, Cappella Palatina, Jesus Christ, St Peter and St Paul mosaic.

Turkey, Izmir Province, Selcuk, Ruins of the 6th century Basilica of St. John the Apostle with piece of inscribed stone and fallen masonry in foreground.